holdenk commented on code in PR #58696:
URL: https://github.com/apache/spark/pull/58696#discussion_r4088383435
##########
core/src/main/scala/org/apache/spark/deploy/Client.scala:
##########
@@ -275,6 +277,24 @@ object Client {
// scalastyle:on println
new ClientApp().start(args, new SparkConf())
}
+
+ /**
+ * Environment variables to forward to the driver. Only variables whose name
starts with
+ * `SPARK_` are forwarded, excluding `SPARK_ENV_LOADED`, `SPARK_HOME`,
`SPARK_CONF_DIR`,
+ * `SPARK_LOCAL_IP` and `SPARK_LOCAL_HOSTNAME`. The rule is defined by
+ * `RestSubmissionClient.filterSystemEnvironment`, so this matches the REST
submission gateway.
+ * If `spark.standalone.submit.filterEnvironment` is disabled, the full
environment of the
+ * submitting process is forwarded instead.
+ */
+ private[deploy] def driverEnvironment(
Review Comment:
That makes sense to me.
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